package com.lcj.action;

import com.lcj.entity.User;
import com.lcj.exception.UserNotFoundException;
import com.lcj.handler.UserBeanHandler;
import com.lcj.service.UserService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/login")
public class SpringWebServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.getRequestDispatcher("/WEB-INF/login.jsp").forward(req,resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String username = req.getParameter("username");
        String password = req.getParameter("password");

        UserService userService = (UserService) UserBeanHandler.getBean("userService");
        try {
            User dologin = userService.dologin(username, password);
            req.getSession().setAttribute("user",dologin);
            req.getRequestDispatcher("/WEB-INF/success.jsp").forward(req,resp);
        } catch (UserNotFoundException e) {
            e.printStackTrace();
            req.setAttribute("errorMsg",e.getMessage());
            req.getRequestDispatcher("/WEB-INF/login.jsp").forward(req,resp);
        } catch (Exception e)
        {
            e.printStackTrace();
            req.setAttribute("errorMsg","服务器内部异常");
            req.getRequestDispatcher("/WEB-INF/login.jsp").forward(req,resp);
        }
    }
}
